Exclusion criteria were: (a) a history of bipolar disorder or schizophrenia; (b) physical health problems which may present risks if engaging in LY (i.e. hernia, injuries, etc. determined by their psychiatrist);(c) having co-morbidity of another chronic physical and/or mentalhealth problem such as learning disability, substance misuse disordersand organic brain diseases; (d) receiving any talking therapies at recruitment or throughout the study period.